Sel 751A, Instruction Manual

Page: 618 / 640

K.2
SEL-751A Relay Instruction Manual Date Code 20100129
Analog Quantities
UBI Current unbalance % x x x x x
VA_MAG A-phase-to-neutral voltage V primary x x x x x
VA_ANG Angle of the A-phase-to-neutral voltage degrees x x x x
VB_MAG B-phase-to-neutral voltage V primary x x x x x
VB_ANG Angle of the B-phase-to-neutral voltage degrees x x x x
VC_MAG C-phase-to-neutral voltage V primary x x x x x
VC_ANG Angle of the C-phase-to-neutral voltage degrees x x x x
VAB_MAG A-to-B phase voltage V primary x x x x x
VAB_ANG Angle of the A-to-B phase voltage degrees x x x x
VBC_MAG B-to-C phase voltage V primary x x x x x
VBC_ANG Angle of the B-to-C phase voltage degrees x x x x
VCA_MAG C-to-A phase voltage V primary x x x x x
VCA_ANG Angle of the C-to-A phase voltage degrees x x x x
VG_MAG Zero-sequence voltage V primary x x x x x
VG_ANG Angle of the zero-sequence voltage degrees x x x x
VS_MAG Sync. voltage V primary x x x x x
VS_ANG Angle of sync. voltage degrees x x x x
VAVE Average voltage V primary x x x x
3V2 Negative-sequence voltage V primary x x x x
UBV Voltage unbalance % x x x x x
SA A-phase apparent power kVA primary x x x x
SB B-phase apparent power kVA primary x x x x
SC C-phase apparent power kVA primary x x x x
S 3-phase apparent power kVA primary x x x x
VA primary x
PA A-phase real power kW primary x x x x
PB B-phase real power kW primary x x x x
PC C-phase real power kW primary x x x x
P 3-phase real power kW primary x x x x
W primary x
QA A-phase reactive power kVAR primary x x x x
QB B-phase reactive power kVAR primary x x x x
QC C-phase reactive power kVAR primary x x x x
Q 3-phase reactive power kVAR primary x x x x
VAR primary x
PFA A-phase power factor x x x x
PFB B-phase power factor x x x x
PFC C-phase power factor x x x x
PF 3-phase power factor x x x x x
Table K.1 Analog Quantities (Sheet 2 of 6)
Label Description Units
Disp
la
y
Po
in
ts
SEL
OGIC
Load Pr
of
ile
DN
P
Fa
s
t
Me
te
r